we're not going to have four more years of barack obama. >> wednesday, president obama and mitt romney meet in their first presidential debate. the news hour's jim lehrer moderates from the university of denver. watch and engage with crmbing span including our live debate preview at 7:00 p.m. eastern, the debate at 9:00 and post-debate your reactions. follow on c-span, c-span radio and online at c-span.org. >> september 11, 2001, was a day that change midlife forever. it changed america's life. i'm going to go through a power point presentation which is going to outline the account of the historical account of the attack as things happened, as things transpyred that day. it gets -- transpired that day. et gets intense. i'm going to do my best not to ramble on and go too fast. i would ask you to sit back, leer your mind, put yourself in that room an you'll get a real sense of what it was like to be at the too much the food chain, the national command authority, as a nation of 300 million americans was attack by 19 al qaeda terrorists. >> more from retired lieutenant colonel robert darli